8728 (number)

8728 is an even 4-digits composite number following 8727 and preceding 8729. In scientific notation, it is written as 8.728 × 10^3. The sum of its digits is 25. It has a total of 4 prime factors and 8 positive divisors. There are 4360 positive integers (up to 8728) that are relatively prime to 8728.

Interesting facts

Basic properties

Name

Name eight thousand seven hundred twenty-eight

Notation

Scientific notation 8.728 × 10^3
Engineering notation 8.728 × 10^3

Prime Factorization of 8728

Prime Factorization 2 × 2 × 2 × 1091

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2182
Product of the distinct prime numbers

The prime factorization of 8728 is 2 × 2 × 2 × 1091. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 8728)

Multiplication

n×y
n×2 17456
n×3 26184
n×4 34912
n×5 43640

Division

n÷y
n÷2 4364
n÷3 2909.3333333333
n÷3 2182
n÷5 1745.6

Exponentiation

ny
n2 76177984
n3 664881444352
n4 5803085246304256
n5 5.0649328029744E+19

Nth Root

y√n
2√n 93.423765713013
3√n 20.589141856839
4√n 9.6655970179298
5√n 6.1402060823877

Divisors of 8728

1, 2, 4, 8, 1091, 2182, 4364, 8728

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -8727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 8728 can be divided by 8 positive divisors. The sum of these divisors (counting 8728) is 1, the average is 0.125.

Base conversion 8728

Base System Value
2 Binary 10001000011000
3 Ternary 102222021
4 Quaternary 2020120
5 Quinary 234403
6 Senary 104224
8 Octal 21030
10 Decimal 8728
12 Duodecimal 5074
16 Hexadecimal 2218
20 Vigesimal 11g8
36 Base36 6qg

Cryptographic Hash Functions

md5 3b2acfe2e38102074656ed938abf4ac3
sha1 a4f0251360aded90b433f72a4285b851c47dda25
sha256 a95d67cec3543764f119ac4231c949085816cb7a7908f30a4526e7da65910980
sha512 adead61175b2626e4cb26ef77ae0947f7ef6c6b19503fce158f78af576072c1f0e22c78fe9df7f2e89c78791c82a214f379bcea76a1476cb2dbbae14654ea878
ripemd-160 6f74182d942a0e52b2993929a5a91877adb69197

8728 as geometric shapes

Circle

Radius = n
Diameter 17456
Circumference 54839.641361063
Area 239320194.89968

Sphere

Radius = n
Volume 2785048881445.9
Surface area 957280779.59872
Circumference 54839.641361063

Square

Length = n
Perimeter 34912
Area 76177984
Diagonal 12343.255972392

Cube

Length = n
Surface area 457067904
Volume 664881444352
Space diagonal 15117.339448461

Equilateral Triangle

Length = n
Perimeter 26184
Area 32986034.676542
Altitude 7558.6697242306

Triangular Pyramid

Length = n
Surface area 32986034.676542
Volume 78357029664.401
Height 4114.4186574641